diff --git a/treescope/__init__.py b/treescope/__init__.py
index ae7be31..b28a064 100644
--- a/treescope/__init__.py
+++ b/treescope/__init__.py
@@ -153,7 +153,7 @@
 """
 
 # Package version.
-__version__ = '0.1.4'
+__version__ = '0.1.5'
 
 
 # Set up canonical aliases for the treescope API itself.